Interstellar travel -- Juvenile fiction. Museums -- Fiction. Friendship -- Fiction. Science fiction.

Interstellar travel -- Juvenile fiction. Life on other planets -- Juvenile fiction. Disguise -- Juvenile fiction. Extraterrestrial beings -- Fiction. Friendship -- Fiction.

Human-alien encounters -- Fiction. Extraterrestrial beings -- Fiction. Interstellar travel -- Fiction. College stories. Outer space -- Fiction.

Kirk, James T. (Fictitious character) -- Fiction Spock (Fictitious character) -- Fiction Human-alien encounters -- Fiction Space warfare -- Fiction Interstellar travel -- Fiction